Home / 317,219.28-475,537.50-137,192.10

Finding the Fourth Proportional to 317,219.28, 475,537.50 and 137,192.10

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Solution

The fourth proportional to 317,219.28, 475,537.50 and 137,192.10 is: 205,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,219.28 : 475,537.50 = 137,192.10 : x
  2. Step 2: Convert to fraction form
    317,219.28/475,537.50 = 137,192.10/x
  3. Step 3: Cross multiply
    317,219.28x = 475,537.50 × 137,192.10
  4. Step 4: Simplify right side
    317,219.28x = 65,239,988,253.75
  5. Step 5: Solve for x
    x = 65,239,988,253.75/317,219.28
  6. Step 6: Final answer
    x = 205,662.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.